8728720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:153

約数の個数: 160

約数和(自身を含む): 27498240

約数和(自身を除く): 18769520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 80, 88, 91, 104, 109, 110, 112, 130, 140, 143, 154, 176, 182, 208, 218, 220, 260, 280, 286, 308, 364, 385, 436, 440, 455, 520, 545, 560, 572, 616, 715, 728, 763, 770, 872, 880, 910, 1001, 1040, 1090, 1144, 1199, 1232, 1417, 1430, 1456, 1526, 1540, 1744, 1820, 2002, 2180, 2288, 2398, 2834, 2860, 3052, 3080, 3640, 3815, 4004, 4360, 4796, 5005, 5668, 5720, 5995, 6104, 6160, 7085, 7280, 7630, 8008, 8393, 8720, 9592, 9919, 10010, 11336, 11440, 11990, 12208, 14170, 15260, 15587, 16016, 16786, 19184, 19838, 20020, 22672, 23980, 28340, 30520, 31174, 33572, 39676, 40040, 41965, 47960, 49595, 56680, 61040, 62348, 67144, 77935, 79352, 80080, 83930, 95920, 99190, 109109, 113360, 124696, 134288, 155870, 158704, 167860, 198380, 218218, 249392, 311740, 335720, 396760, 436436, 545545, 623480, 671440, 793520, 872872, 1091090, 1246960, 1745744, 2182180, 4364360, 8728720]

約数ペア:

[(1, 8728720), (2, 4364360), (4, 2182180), (5, 1745744), (7, 1246960), (8, 1091090), (10, 872872), (11, 793520), (13, 671440), (14, 623480), (16, 545545), (20, 436436), (22, 396760), (26, 335720), (28, 311740), (35, 249392), (40, 218218), (44, 198380), (52, 167860), (55, 158704), (56, 155870), (65, 134288), (70, 124696), (77, 113360), (80, 109109), (88, 99190), (91, 95920), (104, 83930), (109, 80080), (110, 79352), (112, 77935), (130, 67144), (140, 62348), (143, 61040), (154, 56680), (176, 49595), (182, 47960), (208, 41965), (218, 40040), (220, 39676), (260, 33572), (280, 31174), (286, 30520), (308, 28340), (364, 23980), (385, 22672), (436, 20020), (440, 19838), (455, 19184), (520, 16786), (545, 16016), (560, 15587), (572, 15260), (616, 14170), (715, 12208), (728, 11990), (763, 11440), (770, 11336), (872, 10010), (880, 9919), (910, 9592), (1001, 8720), (1040, 8393), (1090, 8008), (1144, 7630), (1199, 7280), (1232, 7085), (1417, 6160), (1430, 6104), (1456, 5995), (1526, 5720), (1540, 5668), (1744, 5005), (1820, 4796), (2002, 4360), (2180, 4004), (2288, 3815), (2398, 3640), (2834, 3080), (2860, 3052)]